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Polkadot Warns of 20-Month Key Leak in Fearless Wallet Extension

Users of the Fearless Wallet browser extension are urged to move their funds after a private key vulnerability was discovered.

Users of the Fearless Wallet browser extension are urged to move their funds after a private key vulnerability was discovered. Polkadot (DOT) is trading at $1.15, down 0.9% since this brief published. This is an original TLT brief based on reporting by Cryptopolitan, with live market data added, as of Wed, 21 Oct 2026 23:00:04 UTC.

Why it matters

The vulnerability exposed Polkadot users' private keys for 20 months, risking theft of their funds and compromising wallet security. This incident highlights the importance of wallet security audits and user vigilance in protecting digital assets.

Key takeaways
  • Fearless Wallet extension leaked private keys for 20 months.
  • Polkadot Foundation advises users to move funds immediately.
  • DOT price remains relatively stable despite the security incident.

The Polkadot Foundation has disclosed a critical security vulnerability in the Fearless Wallet browser extension that exposed users' private keys to an attacker for 20 months.

The vulnerability was discovered in the wallet's codebase, which allowed the unauthorized transmission of sensitive information to an external party.

Cryptopolitan reports that the Polkadot Foundation has confirmed the incident and is advising all users of the Fearless Wallet extension to create new private keys and move their funds to secure wallets as soon as possible.

Despite this security incident, the price of Polkadot's native token DOT has remained relatively stable, currently trading at $1.16 with a 24-hour increase of 0.06% and a 7-day gain of 2.18%.

The broader crypto market remains in a positive trend with a total market cap of $2.9 trillion and a Fear & Greed Index of 63, indicating a sentiment of 'Greed.'

Market reaction since this brief Live

Since this brief published about 1 hour ago, Polkadot (DOT) has moved from $1.16 to $1.15 — -0.86%.

$1.15$1.15$1.15$1.16$1.16 published · $1.16 now · $1.15 (-0.86%) Oct 21 21:49 UTC Oct 21 23:00 UTC
BeforeSince publishPublished · $1.16

The chart plots DOT's price: grey is the move before this brief published, the vertical dashed line marks the moment it published, the horizontal dashed line is the price then, and the coloured area is the move since — from TLT's market data (daily resolution). It shows what happened after the news, not that the news caused it; many factors move prices. Not financial advice.

What this means in naira

At today's peer-to-peer rate, 1 DOT ≈ ₦1,568.23 (about $1.15), down 0.0% over 24 hours. The naira itself trades about 2.3% above the official rate on the P2P market, so a Nigerian buyer's effective cost differs from the headline dollar price.

Live market data

Current prices for the asset in this story — live, source-stamped, updated every 15 minutes.

#52
$1.15 ▼ 0.01%
-0.86% since this brief published
7d +2.18%MCap $1.97BFull DOT data →
The market when this published · October 21, 2026
Total market cap$2.90T
Bitcoin 24h+2.09%
Ethereum 24h+1.39%
BTC dominance58.8%
Fear & Greed63 · Greed

Polkadot Warns of 20-Month Key Leak in Fearless Wallet Exten — questions & answers

How long were users' private keys exposed?

Private keys were exposed for 20 months according to the Polkadot Foundation.

What should Fearless Wallet users do now?

Users should create new private keys and transfer their funds to secure wallets immediately.

Has the Polkadot price been affected?

DOT price shows no significant impact, currently up 0.06% in the last 24 hours.

How much is 1 Polkadot worth in naira today?

About ₦1,568.23 at the live peer-to-peer (P2P) USDT rate, which is what Nigerians typically trade at — equivalent to roughly $1.15. The naira price moves with both DOT's US-dollar price and the USDT/NGN rate; use our Polkadot in naira page for any amount.

Has Polkadot's price moved since this brief was published?

DOT is down 0.86% since this brief first published — trading at $1.15 now versus $1.16 at publication. TLT re-checks this figure against CoinGecko and Binance every 15 minutes.

Which outlets reported this story?

This is an original TLT brief that synthesises reporting from Cryptopolitan. It is not a copy of any one article — follow the source links above for the original reporting.

TLT Newsdesk Data-stamped

TLT's newsdesk writes original briefs by synthesising coverage from across the crypto press — 50+ outlets including CoinDesk, The Block, Decrypt and Cointelegraph — cross-checking the figures they report — and verifying them against on-chain data from DeFiLlama and mempool.space — plus live market context (CoinGecko, Binance). We summarise and link to every source; we never reproduce full articles. Read our editorial standards and how we use AI. Not financial advice.

Market data verified against CoinGecko & Binance · October 21, 2026 ⛓ Timestamped at Bitcoin block #972,542 sha256:656197262f98368e
Based on reporting by Cryptopolitan — this is an original TLT summary with live market data, not the original article.Cryptopolitan · Oct 21 21:49 ↗

Original summary — not financial advice. This is an original TLT brief that summarises a development reported elsewhere and adds live market data for context; it is not the original article and reproduces no part of it. Follow the source link above for full details. Crypto is volatile and high-risk — always do your own research.